Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4446906 | Method of making a cast aluminum based engine block | Allen D. Ackerman | 1984-05-08 |
| 4267812 | Engine EGR cooler | Jerry L. Mauch | 1981-05-19 |
| 4258687 | Engine with integral mounted EGR cooler | Jerry L. Mauch | 1981-03-31 |